Topic 1: Electricity
Power system and its automation
Energy storage devices and systems
Power electronic technology 
Power energy system
Electrical, Automation, and Power Engineering
Power system analysis, modeling, control and stability, protection and operation
Intelligent Technology and Its Application in Power System
Topic 2: Optoelectronic Materials
Design and Preparation of New Optoelectronic Materials
Organic solar cell materials
Organic electroluminescent diodes and luminescent chemical batteries
Application of New Optoelectronic Materials
New Optoelectronic Functional Materials and Devices
Preparation and characterization of optoelectronic thin film materials
Optoelectronic Conversion Material Technology and Application
Optoelectronic Information Functional Materials
Nanophotonics and Materials
Chemistry and Physics of Optoelectronic Materials
Organic Biochemical Sensor
Organic laser pumped laser
Organic nonlinear optical materials
Nanophotonics and Materials
Photosensitive polymer materials and polymer information storage materials
Organic photoconductive materials
Photorefractive polymer materials and polymer information storage materials
Metal based composite materials
Biobased composite materials
Multi functional composite materials
Biomimetic composite materials
Multi-scale modeling
Ceramic based composite materials
Nanocomposite materials
Concrete and cement-based composite materials
Nanotechnology
Damage and rupture
NDE technology
Durability and aging
Polymer matrix composite materials
Theme 3: Sustainable Development
Sustainable Energy and Environment
Green Manufacturing
Agricultural sustainability
Zero energy buildings
Waste management
Energy management
Energy Policy and Economy
Energy-saving system
Sustainability of process industry
Energy Security and Clean Use
Green infrastructure